Slide tray and slide actuator for a projecting apparatus



J. A. BARING Dec. 26, 1967 SLIDE TRAY AND SLIDE ACTUATOR FOR A PROJEGI'ING APPARATUS l8 Sheets-Sheet 1 Filed Aug. 16, 1965 INVENTOR. JOHN A. BARING Dec. 26, 1967 J, BARlNG 3,359,667

SLIDE TRAY AND SLIDE ACTUATOR FORA PROJECTING APPARATUS I Filed Aug. 16, 1965 l8 Sheets-Sheet 2 FIG. 2/

/4 INVENTOR.

JOHN A. BARING Dec. 26, 1967 J. A. BARING 3,

SLIDE TRAY AND SLIDE ACTUATOR FOR A PROJECTING APPARATUS Filed Aug. 16, 1965 1a Sheets-Sheet :5

F l G. 6

JOHN A. BARING Dec. 26, 1967 J. A. BARING 3,359,667

SLIDE TRAY AND SLIDE ACTUATOR FOR A PROJECTING APPARATUS Filed Aug. 16, 1965 v l8 Sheets-Sheet 4 A F e. 7 20 FIG. 8

INVENTOR. JOHN A. BARING Dec. 26, 1967 J. A. BARlNG 3,359,667

SLIDE TRAY AND SLIDE ACTUATOR FOR'A PROJECTING APPARATUS Filed Aug. 16, 1965 l8 Sheets-Sheet 5 FIG.9

1 INVENTOR- JOHN A. BARING WBMJW AGENT.

Dec. 26, 1967 J. A. BARING 3,359,667

sums TRAY AND SLIDE ACTUATOR FOR A PROJECTING APPARATUS Filed Aug. 16, 1965 18 Sheets-Sheet 6 F l ,G. 7 IO 2 368) /364 INVENTORA JOHN A. BARING AGENT.

Dec. 26, 1967 J. A. BARING 3,359,667

SLIDE TRAY AND SLIDE ACTUATOR FOR A PHOJECTING APPARATUS Filed Aug. 16, 1965 7 l8 Sheets-Sheet 8 5 a I F l G. l2

1 INVENTOR JOHN A. BARING AGENT.

Dec. 26, 1967 J. A. BARING 3,359,667

SLIDE TRAY AND SLIDE ACTUATOR FOR A PROJECTING APPARATUS Filed Aug. 16, 1965 l8 Sheets-Sheet 9 INVENTOR JOHN A. BARING AGENT.

Dec. 26, 1967 J. A. BARING 3,359,667

SLIDE TRAY AND SLIDE ACTUATOR FOR A PROJEGTING APPARATUS Filed Aug. 16, 1965 18 Sheets-Sheet 10 F I 6. l4

Y i 1: I; J

K U H U FIG. I5

' INVENTOR AGENT.

J- A. BARING Dec. 26, 1967 SLIDE TRAY AND SLIDE ACTUATOR FOR PROJECTING APPARATUS Filed Aug. 16, 1965 18 Sheets-Sheet 11 FIG.

U HH WH I v INVENTOR JOHN A. BARING AGENT.

J. A. BARING Dec. 26, 1967 SLIDE TRAY AND SLIDE ACTUATOR FOR A PROJECTING APPARATUS Filed Aug. 16, 1965 18 Sheets-Sheet 1 2 INVENTOR.

JOHN A.BARING 7 v AGENT.

SLIDE TRAY AND SLIDE ACTUATOR FOR A PROJECTING APPARATUS Filed Aug. 16, 1965 l8 Sheets-Sheet 15 F l G. l8 354 INVENTOR. JOHN A. BARING AGENT.

Dec. 26, 1967 J. A. BARING SLIDE TRAY AND SLIDE ACTUATOR FOR A PROJECTING APPARATUS Filed Aug. 16, 1965 FIG.

18 Sheets-Sheet 14 INVENTOR. JOHN A. BARING Dec. 26, 1967 SLIDE-TRAY AND SLIDE ACTUATOR FOR A PROJECTING APPARATUS Filed Aug. 16, 1965 FIG.

J. A. BARING 3,359,667

18 Sheets-Sheet 15 VINVENTOR. JOHN A. BARING AGENT} Dec. 26, 1967 SLIDE TRAY Filed Aug. 16, 1965 FIG. 22

J. A. BAR ING 3,359,667

AND SLIDE ACTUATOR FOR A PROJECTING APPARATUS 18 Sheets-Sheet 16' FIG. 2|' 38 202 208 INVENTOR JOHN A. BARING AGENT J. A. BARING Dec. 26, 1967 SLIDE TRAY AND SLIDE ACTUATOR FOR A PROJECTING APPARATUS l8 Sheets-Sheet 17 Filed Aug. 16, 1965 Qkm INVENTOR. JOHN A. BARING wmm VNdI AGENT Dec. 26, 1967 SLIDE TRAY AND SLIDE ACTUATOR FOR A PROJECTING APPARATUS Filed Aug. 16, 1965 J. A. BARING 18 Sheets-Sheet 18 FIG.

INVENTOR. JOHN A. BARING AGENT.

United States Patent 3,359,667 SLIDE TRAY AND SLIDE ACTUATOR FOR A PROJECTING APPARATUS John A. Baring, Golden, Colo., assignor to Honeywell Inc., Minneapolis, Minn, a corporation of Delaware Filed Aug. 16, 1965, Ser. No. 479,827 4 Claims. (Cl. 40-79) The present invention relates to a photographic slide tray projector.

More specifically, it is an object of the present invention to disclose a compact, thin line projector having a ring-shaped wall extending inwardly from the front of the projector to receive a removable rotary slide tray therein.

It is another object of the present invention to disclose a rotatable slide tray for the aforementioned projector that is provided with a series of unique, abnormally short, radially oriented spacer plates adjacent its outer circumferential rim to allow the inner ends of slides inserted therebetween to be mounted in extremely close proximity with one another adjacent the hub of a slide tray, thereby enabling many more slides to be mounted in a much smaller diameter tray than has heretofore been possible when other different types of slide tray constructions that are commercially available have been employed.

It is another object of the present invention to disclose a rotatable slide tray of the aforementioned type having a side ring portion thereof that has a circumferential portion forming an outer surface of the pro jector that is of a greater diameter than an opposite disc side portion that forms an inside projector portion to enable the slide to be more easily inserted and removed in a substantially frictionless manner into an in-gate projecting position than is possible when other conventional slide trays whose outer surfaces are of the same uniform diameter are employed for this purpose.

It is another object of the present invention to disclose a bendable transparent cup-shaped slide selecting indexing lid for the aforementioned tray that has a central cut out portion that is of a greater diameter than the hub of the tray about which the lid can be selectively rotated to line up a slotted rim slide emitting portion and a magnifying portion of the lid with any selected one of the slides in the tray.

It is another object of the invention to provide the aforementioned lid with several pairs of spaced-apart accurate lug portions protruding from an inner wall and base surface thereof to thereby allow the lid to be snapped into a slide retaining position on the tray and to provide guiding surfaces along which a rim surface of the tray can slide.

It is another object of the present invention to disclose a projector having a rotary slide tray of the aforementioned type in combination with a rotatably mounted moving magnet for easily attracting and lifting a slide from its radial position in the aforementioned tray in an outward direction away from the rim of the tray through the single slotted portion of the lid to an ingate projecting position in a projector and with a great deal less wear and tear on the slide than is possible when other types of projector trays and slide lifting devices that are commercially available are employed for this purpose.

Prior to the present invention, it has been the practice to employ power actuating apparatus such as an electric motor to move a slide in a continuous pushing manner from an in-tray position to a projecting position and- "ice to employ this same power actuating means to return the slide in a continuous pulling manner to the in-tray position. Experience has shown that when these power actuating means are used to push and/ or to pull a slightly bent slide in this continuous manner between its intray and its projecting positions, the bent portion of such a slide invariably has a tendency to become jammed and further bent between the power actuating means and a stationary portion of the slide guide through which the slide is being continuously moved.

Continuously operated power actuated slide moving devices of this type also often jam a slide in the projector without the operators knowledge. When this occurs, the next slide that is continuously pushed into the projector is forced against the slide that is already in the projectorand further bending of both slides occurs.

It is another object of the present invention to provide a slide moving apparatus for a projector which will vertically lift the top portion of the slide rather than using a continuous pushing force on a slide in moving it from its in-tray to its projecting position and thereby eliminate the aforementioned slide jamming problem that is present in other slide projectors that are commercially 7 available.

It is another object of the present invention to disclose a slide moving apparatus for a projector which will return a slide that is in a projecting position to its intray position by allowing the slide to be dropped in a vertical plane toward and into the rim of its associated tray by the force of gravity acting on the slide rather than by the pulling force of a power operated slide moving device and thereby eliminate the aforementioned slide jamming that occurs when the aforementioned power actuated slide moving devices are used.

A better understanding of the present invention may be had from the following detailed description when read in connection with the accompanying drawings in which:

FIGURE 1 shows a prospective view of the projector;

FIGURE 2 is a top view of the projector;

FIGURE 3 is a left side view of the projector; FIGURE 4 is a back view of the projector;

FIGURE 5 shows in detail a front view of a circular tray that is retained within the aforementioned projector;

FIGURE 6 is a back view of the tray; FIGURE 7 is a side view of the tray; FIGURE 8 is a section taken along the line 88 of FIGURE 6 with the top front plate removed;

FIGURE 9 shows a front view of the projector with its plate removed; 7

FIGURE 10 shows a rear View of the projector;

FIGURE 11 shows a vertical section taken along section line 11-11 of FIGURE 9;

FIGURE 12 is a sectional view taken along the line 12'12 of FIGURE 10;

FIGURE 13 is a view partially in section taken along the line 13I3 of FIGURE 10;

FIGURE 14 is a view showing the projector lens and how its associated cam-actuated lens carrier can move the lens from one position to another;

FIGURE 15 is a view along the line 15--15 of FIG- URE 14 showing the right end view of the lens carrier; 7

FIGURE 18 shows the show position of the slide lifting drive bar and shutter as the aforementioned oamdriven, magnet-carrying drive bar has moved the slide into an in-gate slide projecting position;

FIGURE 19 shows the position of the slide-lifting drive bar and shutter -as this cam-driven, magnet carrying drive bar is starting to let the slide be returned by gravity to the tray;

FIGURE 20 shows the position of the slide-lifting drive bar and shutter as this cam-driven, magnet-carrying drive bar has moved the slide back into its original slide tray position and the tray is being rotated to bring the next slide in the tnay to a twelve oclock position;

FIGURE 21 shows a top plan view of the slide guides as taken along the line 21-21 of FIGURE 11 and how a movable permanent magnet, such as is shown in FIG- URES 16 and 25, is attached to a slide;

FIGURE 22 shows how \a damping device can be connected to the solenoid actuator shown in FIGURES 10 and 13;

FIGURE 23 shows a right end view of FIGURE 22;

FIGURE 24 shows an up or show slide position of the index lock cam and its associated linkage;

FIGURE 25 shows the lock cam of FIGURE 24 rotated counterclockwise to a position in which no editing of the slides can take place;

FIGURE 26 shows the drive bar at its lowermost position and its lug thereof as having rotated the interlock cam further in counter-clockwise direction;

FIGURE 27 is a circuit diagram showing the relationship that exists between all of the electrical components disclosed in FIGURES 9, 10, 13 and 16.

The rotary slide projector 10 shown in FIGURES 1-4 of the drawing is comprised of a front half casing portion 12 and a rear half casing portion 114. The front half casing portion 12 has a ring-shaped wall 16- extending inwardly from a lower front surface 18 thereof for retaining a rotary slide tray 20 therein. The upper part 22 and the top part 24 of the front casing portion 12 is of a separate angular single part construction and has a wall 26 forming an opening therein to accommodate the sliding of the slide editing gate 28 therethrough.

The right side 30 of the front half casing portion 12 of the projector 10 is shown having a projecting lens 32 extending therethrough. The entire base part 34 of the front half casing portion 12 is shown tapered in an upward and outward direction between the part that contacts the rear half casing portion 14 and the portion of the base that contacts the lower front surface 18.

The entire base part 35 of the rear casing portion 14 is also shown tapered in an upward and outward direction between the part that contacts the front half casing portion 12 and the portion of the rear end of the base part 36 that contacts the lower end of the back surface 38 of the rear half casing portion 14.

The upper left side of the projector '10 is formed by two contacting wall portions 40, 42 that form respective parts of the front and rear half casing portions 12 and 14. The lower left side of the projector 10 is formed of a single slidable door plate portion 44 having a handle 46 thereon that can be moved in an upward vertical direction to a position that is immediately behind its contacting wall portions 40, 42. This door 44 provides access to a compartment, (not shown) that contains a slide tray loading switch, a slide showing switch and a switch for either showing the slides in tray in immediate consecutive forward manner, a switch for showing the slides in the tray in a reverse sequence and an electrical power plug-in wire connection which is necessary to supply an electrical current to the projector 10.

The upper right and left side wall portions 42, 48 o the rear half casing portion 14 of the projector 10 have portions that are integral therewith which extend upwardly therefrom to form a projector handle 50.

A push button 52 extends through an aperture 54 in the top surface of the rear half casing portion 14 of the projector 10 to move a linkage hereinafter described which will adjust the position of two legs 54, 56 against a level or non-level surface on which the projector 10 is placed.

These legs 54, 56 are shown extending through the respective tapered base parts 34, 3t: of the front and rear half casing portions 12 and 14 while the projector 10 is pivoted about stationary resilient foot 58 that is shown in FIGURE 3. The tapered base parts will thus enable the projector to be placed in a position in which the front half of the casing portion is upward and spaced away from a non-level support surface or vice versa.

ROTARY SLIDE TRAY The previously-mentioned rotary slide tray 20 shown in FIGURES 1 and 58 is comprised of two spaced-apart circumferential side ring and disc portions 62, 64 that are of different diameters and that are integrally joined together at their central portion by means of a hub 66.

A series of substantially equally spaced apart radially oriented spacer plate 68, 70, 72, 74 are also joined together in an integral manner with the outer circumferential side ring and disc portions 62, 64. These spacer plates 6874 are purposely positioned adjacent the circumferential ring and disc portions 62, 64 of the tray 20 in order to allow the inner end of the slides, for example the slides 76, 78, 3t} and 82 shown in FIGURE 1 that are to be dropped from a position that is located outwardly from the peripheral portion of the tray into a load position so that their inner ends are in contact with the hub 66 and brought into extremely close proximity with one another.

It can thus be seen from FIGURE 1 that such a tray construction will enable many more slides to be mounted in a much smaller tray than has heretofore been possible when other types of commercially-available trays are used.

It can also be seen by observing FIGURE 1 that since the spacer plates, for example 68, 74, are positioned between spa-ced-apart side ring and disc portions 62, 64 of the tray 29 that are purposely made of considerably different diameters, the slides can, therefore, be readily inserted and removed from the tray 20 in a substantially frictionless manner. Such a tray construction, therefore, considerably reduces the frictional slide spacer rubbing effect that has heretofore been encountered with trays that have side ring portions that are of the same diameter.

The rotary slide tray 20 is also provided with a bendable transparent cup-shaped slide selecting indexing lid 84. The indexing lid 84 has a wall 86 forming an aperture in its central portion to enable the slide indexing tray 20 to be rotated about its outer hub portion 66.

An inner surface adjacent the outer circumferential part of the lid 84 is provided with three pair of areshaped lug portions 88, 9th; 92, 94; and 96, 98 which protrude from the inner side wall and the inner base surface of the cup-shaped lid 84. The lug portions 88-98 are located in a position with respect to the ring portion 62 that allows the lid to be snapped into a slide retaining position on the ring portion 62. These lug portions 8898 also provide guiding surfaces along which the lid 84 can rotatably slide along the tray portion 62 when a slide indexing operation takes place.

The indexing lid 84 also has a. circular flange portion 106 and a rectangular protuberance M2 that extends in an outward direction therefrom that acts as a removable twelve oclock indexing key when inserted into the slide 104 of the projector 10 that is shown in FIGURE 1 of the drawing. This protuberance 102 contains two spaced-apart wall portions 1 .16, 1118 that form a slot therein. The slot formed by the walls 1%, 108 provides the only passageway in the lid 34 through. which a slide 

1. THE COMBINATION OF A SLIDE PROJECTOR TRAY AND A SLIDE ACTUATOR FOR A SLIDE PROJECTOR WHICH COMPRISES A SLIDE PROJECTOR TRAY COMPRISING A RING FORMING A FRONT FACE OF THE TRAY, A DISC FORMING A BACK FACE OF THE TRAY, THE OUTER CIRCUMFERENCE OF THE DISC BEING OF A SUBSTANTIALLY SMALLER DIAMETER THAN THE RING, A HUB EXTENDING FROM THE DISC THROUGH THE CENTRAL OPENING FORMED BY THE INNER WALL OF THE RING, A SERIES OF RADIALLY POSITIONED SPACED-APART SPACER PLATES EXTENDING BETWEEN THE RING AND THE DISC TO FORM A TRAY THAT IS OF A FRUSTO-CONICAL SHAPED CONFIGURATION, EACH OF THE INNER SURFACE PORTIONS OF EACH OF THE RADIALLY POSITIONED SPACED-APART SPACER PLATES EXTENDING OUTWARDLY FROM A FRUSTO-CONICAL PLANE AT A LOCATION THAT IS SPACED OUTWARDLY OF THE HUB TO A FRUSTOCONICAL PLANE THAT EXTENDS BETWEEN THE OUTER SURFACE OF THE DISK AND A SURFACE THAT IS ADJACENT THE OUTER SURFACE OF THE RING TO ACCOMMODATE THE INSERTION OF SLIDES SUCCESSIVELY BETWEEN THE SERIES OF SLIDE PLATES SO THAT THE INERTED SLIDES WILL BE IN CLOSE PHYSICAL JUXTAPOSITIONED CONTACT WITH ONE ANOTHER ADJACENT THEIR HUB CONTACTING END, SAID SLIDED ACTUATOR COMPRISING A ROTATABLE MAGNETIC SLIDE LIFTING MEANS OPERABLY CONNECTED TO CONTACT A MAGNETIC CLIP ON THE END OF THE SLIDE TO LIFT THE SLIDE THROUGH A SLOTTED-OUT PORTION FORMED IN A ROTATABLE TRAY LID COVERING THE OUTER RIM PORTION OF THE TRAY AND TO RETURN THE SLIDE ATTACHED THERETO THROUGH THE SLOTTED OUT PORTION OF THE LID OF THE TRAY AND BETWEEN TWO ADJACENT SPACED-APART SPACER PLATES BY THE FORCE OF GRAVITY INTO ITS HUB CONTACTING POSITION. 